<!doctype html>
<!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
  <meta charset="utf-8">
  <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
  <script src="../../../web-component-tester/browser.js"></script>
  <link rel="import" href="../../polymer-mini.html">
</head>
<body>

<script>

  HTMLImports.whenReady(function() {
    Polymer({is: 'my-element'});
  });

  setup(function() {
    window.el1 = document.createElement('my-element');
    document.body.appendChild(window.el1);
    window.el2 = document.createElement('my-element');
    window.el1.appendChild(window.el2);
  });

  teardown(function() {
    document.body.removeChild(window.el1);
    delete window.el1;
    delete window.el2;
  });

  suite('debounce', function() {

    test('debounce (no-wait)', function(done) {

      var called = 0;
      var cb = function() {
        called++;
      };

      window.el1.debounce('foo', cb);
      window.el1.debounce('foo', cb);
      window.el1.debounce('foo', cb);

      setTimeout(function() {
        assert.equal(called, 1, 'debounce should be called exactly once');
        done();
      }, 50);

    });

    test('debounce (wait)', function(done) {

      var called = 0;
      var now = Date.now();
      var cb = function() {
        called++;
      };

      window.el1.debounce('foo', cb);
      window.el1.debounce('foo', cb, 100);
      window.el1.debounce('foo', cb, 100);

      setTimeout(function() {
        assert.equal(called, 1, 'debounce should be called exactly once');
        assert(Date.now() - now > 100, 'debounce should be called after at least 100ms');
        done();
      }, 200);

    });

  });

</script>
</body>
</html>
